Home / 1,214,421,955.32-1,675,881,976.14-657,500,480.76

Finding the Fourth Proportional to 1,214,421,955.32, 1,675,881,976.14 and 657,500,480.76

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Solution

The fourth proportional to 1,214,421,955.32, 1,675,881,976.14 and 657,500,480.76 is: 907,339,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,421,955.32 : 1,675,881,976.14 = 657,500,480.76 : x
  2. Step 2: Convert to fraction form
    1,214,421,955.32/1,675,881,976.14 = 657,500,480.76/x
  3. Step 3: Cross multiply
    1,214,421,955.32x = 1,675,881,976.14 × 657,500,480.76
  4. Step 4: Simplify right side
    1,214,421,955.32x = 1,101,893,205,009,068,928
  5. Step 5: Solve for x
    x = 1,101,893,205,009,068,928/1,214,421,955.32
  6. Step 6: Final answer
    x = 907,339,660.80

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Half scale
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Double scale
Find fourth proportional to 1,214,421,956.32, 1,675,881,977.52 and 657,500,481.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.